A fix for Bug#24486 "Valgrind warnings: sp_head(),  deadlock_innodb:events_grant". This was a memory leak introduced by  the patch for Bug 22830. Post-review fixes.
A fix for Bug#24486 "Valgrind warnings: sp_head(), 
deadlock_innodb:events_grant". This was a memory leak introduced by 
the patch for Bug 22830.
Post-review fixes.


sql/sql_parse.cc:
  A fix for Bug#24486 "Valgrind warnings: sp_head(),
   deadlock_innodb:events_grant": delete the sphead object before
  returning with an error.

davidl-zend/zenddbi,natsys/mariadb_10.2,flynn1973/mariadb-aix,ollie314/server,flynn1973/mariadb-aix,ollie314/server,natsys/mariadb_10.2,natsys/mariadb_10.2,davidl-zend/zenddbi,ollie314/server,slanterns/server,ollie314/server,natsys/mariadb_10.2,flynn1973/mariadb-aix,natsys/mariadb_10.2,flynn1973/mariadb-aix,davidl-zend/zenddbi,natsys/mariadb_10.2,natsys/mariadb_10.2,natsys/mariadb_10.2,ollie314/server,davidl-zend/zenddbi,natsys/mariadb_10.2,flynn1973/mariadb-aix,flynn1973/mariadb-aix,flynn1973/mariadb-aix,natsys/mariadb_10.2,davidl-zend/zenddbi,flynn1973/mariadb-aix,ollie314/server,davidl-zend/zenddbi,ollie314/server,davidl-zend/zenddbi,ollie314/server,davidl-zend/zenddbi,flynn1973/mariadb-aix,davidl-zend/zenddbi,flynn1973/mariadb-aix,ollie314/server,flynn1973/mariadb-aix,ollie314/server,ollie314/server,davidl-zend/zenddbi,davidl-zend/zenddbi,natsys/mariadb_10.2